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TESTING THE MAGNETIC FIELD OF THE BEVATRON
Description of the Bevatron Magnet Field
20-foot straight section adjusted AMPERES amplitude areas assembly average flux density axial azimuthal runs behavior bevatron field bevatron pulse boom coil calculable calibrating voltage camera circuit constructed coplanar current markers cutouts data board deflection desired DISTANCE FROM GAP dynamic field eddy-current distribution effective length electronic integrator field differences field exponent field measurement fringing field full-scale function of flux gauss higher flux densities horizontal integrated signal kidney coil laminations magnet gap magnetic measurements measurement equipment measurement program median surface midquadrant model measurements n-coils n-versus-radius curve operation opposing coils oscilloscope screen particle acceleration permalloy Photographic record pole tips pole-face positions precision probe programming and recording Protons quadrant ends radial component radial gradient radial variation residual field resonance rf magnetometer second harmonic shown in Fig signal programming signal traces solenoid stray field studied survey vacuum tank values of magnet Variation of Flux versus radius windings zero-depress